Solve the quadratic equation. Write complex solutions in standard form.7x2 + 5x + 8 = 0
A. - 
± 
B. 
± 
C. 
± 
D. - 
± 
Answer: A
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Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.The difference between the squares of two numbers is 80. Twice the square of the second number subtracted from the square of the first number is 
. Find the numbers.
A. 12 and 8; -12 and -8 B. 12 and 8 C. 12 and 8; -12 and 8; 12 and -8; -12 and -8 D. 12 and 8; -12 and 8; 12 and -8
Solve.A college student earned $7300 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 
and the rest at 
If the student received a total of $538 in interest at the end of the year, how much was invested at 
A. $2700 B. $4600 C. $1042 D. $3650
For the function provided, find all values of x for which f(x) satisfies the indicated condition. Graph the solution on a number line.f(x) = x2 + 5x, f(x) ? -4
A. 
B. 
C. 
D. 
Arrange the list of numbers in order from smallest to largest.0.07, 0.03, 0.037, 0.073
A. 0.03, 0.07, 0.037, 0.073 B. 0.073, 0.037, 0.07, 0.03 C. 0.037, 0.073, 0.03, 0.07 D. 0.03, 0.037, 0.07, 0.073